CN220540330U - Butterfly valve with sealing ring replaced without disassembly - Google Patents
Butterfly valve with sealing ring replaced without disassembly Download PDFInfo
- Publication number
- CN220540330U CN220540330U CN202321441119.3U CN202321441119U CN220540330U CN 220540330 U CN220540330 U CN 220540330U CN 202321441119 U CN202321441119 U CN 202321441119U CN 220540330 U CN220540330 U CN 220540330U
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- China
- Prior art keywords
- butterfly valve
- mounting hole
- sealing
- sealing ring
- disassembly
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- 238000007789 sealing Methods 0.000 title claims abstract description 87
- 239000013013 elastic material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a butterfly valve with a sealing ring replaced without disassembly, which belongs to the technical field of butterfly valves and comprises a butterfly valve, wherein a sleeve is arranged on the butterfly valve, a rotating shaft is arranged in the sleeve, the lower end of the rotating shaft is connected with a butterfly plate, and a connecting part is detachably arranged on the surface of the butterfly valve; and the sealing ring is connected with the connecting part, and when the connecting part is connected with the butterfly valve, the sealing ring is positioned in the butterfly valve and contacts with the butterfly plate to form a seal. When the broken sealing ring needs to be replaced, the connecting part is taken out, and the connecting part is fixedly connected with the sealing ring, so that the broken sealing ring is taken out, and then, the new connecting part and the sealing ring are installed on the butterfly valve, so that the sealing ring can be replaced quickly.
Description
Technical Field
The utility model belongs to the technical field of butterfly valves, and particularly relates to a butterfly valve with a sealing ring replaced without disassembly.
Background
The butterfly valve is also called as a flap valve, and is a regulating valve with simple structure, and the butterfly valve capable of being used for the on-off control of low-pressure pipeline medium is a valve in which a closing member (a valve clack or a butterfly plate) is a disc and rotates around a valve shaft to achieve opening and closing, and the valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive mediums, slurry, oil products, liquid metal, radioactive mediums and the like. The pipe is mainly used for cutting and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly valve opening and closing piece in the valve body, so that the purpose of opening and closing or adjusting is achieved.
The butterfly valve is internally provided with a sealing ring, and the sealing ring is particularly important to the sealing performance of the butterfly valve. Meanwhile, the sealing ring is directly contacted with a liquid medium in the use process, so that the sealing ring is easy to damage. When the sealing ring is damaged, the sealing ring needs to be replaced in time, and as the sealing ring belongs to a high-loss product, the sealing ring needs to be replaced frequently.
However, in the existing butterfly valve, in the process of actually replacing the sealing ring, the butterfly valve needs to be detached, and after replacement, the butterfly valve is reinstalled on the pipeline, so that the workload of workers is increased by the installation mode, and the installation time is long.
Disclosure of Invention
The utility model aims to provide a butterfly valve with a sealing ring replaced without disassembly, and aims to solve the problem that the butterfly valve is required to be detached from a pipeline when being replaced in the prior art, so that the butterfly valve is long in service.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the butterfly valve of change sealing washer exempts from to dismantle includes:
the butterfly valve is provided with a sleeve, a rotating shaft is arranged in the sleeve, and the lower end of the rotating shaft is connected with the butterfly plate;
the connecting part is detachably arranged on the surface of the butterfly valve;
and the sealing ring is connected with the connecting part, and when the connecting part is connected with the butterfly valve, the sealing ring is positioned in the butterfly valve and contacts with the butterfly plate to form a seal.
According to the further technical scheme, the surface of the butterfly valve is provided with the mounting hole, the mounting hole enables the inside and the outside of the butterfly valve to be mutually communicated, one side wall of the mounting hole is provided with the threaded hole, the connecting part is provided with the bolt, and the bolt can be connected with the threaded hole.
According to a further technical scheme, the connecting part is in an arc-shaped structure, and the connecting part is matched with the mounting hole.
According to the further technical scheme, the inner wall of the cavity of the butterfly valve is provided with the groove along the circumferential direction, the groove is matched with the sealing ring, and when the connecting part is positioned in the mounting hole, the sealing ring is positioned in the groove.
According to the further technical scheme, the width of the sealing ring is larger than that of the mounting hole, and the width of the mounting hole is larger than that of the connecting part, so that gaps are formed between two sides of the connecting part and the side wall of the mounting hole.
According to a further technical scheme, the connecting part is provided with second sealing parts on two side walls, and the second sealing parts are made of elastic materials.
According to the further technical scheme, the side wall of the connecting part is provided with the arc-shaped groove, the second sealing part is arranged in the arc-shaped groove, extends outwards along the depth direction of the arc-shaped groove and can be contacted with the side wall of the mounting hole to seal the mounting hole.
According to the further technical scheme, two groups of mounting holes are formed in the surface of the butterfly valve and located on two sides of the butterfly plate, each group of mounting holes are provided with two mounting holes, the two mounting holes in each group are symmetrically arranged relative to the axis of the butterfly valve, and connecting portions are arranged in the mounting holes.
According to the further technical scheme, each connecting part is provided with a second sealing ring, the second sealing rings are in a semicircular structure, and two second sealing rings in each group form a circular sealing ring.
Compared with the prior art, the utility model has the beneficial effects that:
1. when the broken sealing ring needs to be replaced, the connecting part is taken out, and the connecting part is fixedly connected with the sealing ring, so that the broken sealing ring is taken out, and then, the new connecting part and the sealing ring are installed on the butterfly valve, so that the sealing ring can be replaced quickly.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
fig. 1 is a schematic perspective view of a butterfly valve according to an embodiment of the utility model.
FIG. 2 is a schematic diagram of another embodiment of a butterfly valve according to the present utility model.
FIG. 3 is a schematic view showing the connection of the connecting part and the sealing ring according to the embodiment of the utility model.
Fig. 4 is a schematic diagram of a groove structure according to an embodiment of the present utility model.
Fig. 5 is a schematic view of a squeeze plate according to an embodiment of the present utility model.
Fig. 6 is a schematic diagram of a second embodiment of the present utility model.
In the figure: 10. butterfly valve; 11. a sleeve; 12. a threaded hole; 13. a mounting hole; 14. a groove; 20. a connection part; 21. a bolt; 22. a second sealing part; 30. a seal ring; 31. a second seal ring; 40. and extruding the plate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.
Referring to fig. 1-5, an embodiment of the present utility model is shown: the utility model provides a butterfly valve of change sealing washer exempts from to dismantle, including butterfly valve 10, be provided with sleeve pipe 11 on the butterfly valve 10, install the pivot in the sleeve pipe 11, the lower extreme of pivot extends and is connected with the inside butterfly plate of butterfly valve 10, the pivot can drive the butterfly plate and rotate, thereby realize opening and closing of butterfly valve 10, the surface mounting of butterfly valve 10 has two connecting portions 20, two connecting portions 20 are located the both sides of butterfly plate respectively, every connecting portion 20 all fixedly connected with sealing washer 30, when connecting portion 20 are connected with butterfly valve 10, sealing washer 30 is located the inside of butterfly valve 10, play sealed effect to the butterfly plate in the butterfly valve 10, specifically, connecting portion 20 and butterfly valve 10 are connected with detachable mode, thereby can change sealing washer 30 under the condition of not dismantling the butterfly valve, the work load of changing the butterfly valve has been reduced, the work efficiency of changing the butterfly valve has been improved.
The surface of butterfly valve 10 is provided with mounting hole 13, and mounting hole 13 makes the inside and the outside intercommunication of butterfly valve 10 each other, is provided with screw hole 12 on the lateral wall of mounting hole 13, and connecting portion 20 is arc structural form, and connecting portion 20 and mounting hole 13 looks adaptation for connecting portion 20 can be located mounting hole 13, be provided with bolt 21 on the connecting portion 20, bolt 21 can be connected with screw hole 12, thereby realizes the swing joint of connecting portion 20 and butterfly valve 10, thereby the connecting portion 20 is convenient for install and dismantle.
The cavity inner wall of butterfly valve 10 is provided with recess 14 along circumference direction, and recess 14 and sealing washer 30 looks adaptation, and when connecting portion 20 were located mounting hole 13, sealing washer 30 was located recess 14, and sealing washer 30 has played sealed effect to the butterfly plate, and sealing washer 30 and connecting portion 20 are connected through the mode of bonding, in other embodiments, still can carry out fixed connection through the screw between sealing washer 30 and the connecting portion 20. The cross-street of the groove 14 is in a trapezoid structure, specifically, the width of the bottom of the groove 14 is smaller than the width of the top (the end, close to the axis of the butterfly valve 10, is taken as the top and the end, far away from the axis of the butterfly valve 10) so as to realize the rapid positioning of the sealing ring 30 and the groove 14, facilitate the rapid installation of the sealing ring 30, and facilitate the installation process, and the installation time is short.
The width of the sealing ring 30 is larger than the width of the mounting hole 13, so that the mounting hole 13 is sealed, the butterfly valve 10 has good sealing performance, the width of the mounting hole 13 is larger than the width of the connecting portion 20, the sealing ring 30 can conveniently penetrate through the mounting hole 13 during mounting, and the sealing ring 30 is elastically easy to deform, so that the butterfly valve can enter a cavity of the butterfly valve 10 through the mounting hole 13. Since the width of the mounting hole 13 is greater than the width of the connecting portion 20, a gap is formed between both sides of the connecting portion 20 and the side walls of the mounting hole 13, and therefore the second sealing portions 22 are disposed on both side walls of the connecting portion 20, and the second sealing portions 22 are made of elastic materials and are easy to deform, so that the second sealing portions 22 can seal the gap between the connecting portion 20 and the mounting hole 13. Specifically, the side wall of the connecting portion 20 is provided with an arc groove, the second sealing portion 22 is provided in the arc groove, and the second sealing portion 22 extends outward in the depth direction of the arc groove so as to be in contact with the side wall of the mounting hole 13, thereby sealing the mounting hole 13.
When the seal ring 30 needs to be replaced, in order to install a new seal ring 30 quickly, the seal ring 30 is first extruded by the extrusion plate 40 to reduce the width of the seal ring 30 (at this time, the second seal portion 22 is located inside the arc-shaped groove), so that the seal ring 30 penetrates through the mounting hole 13, and when the seal ring 30 is placed inside the butterfly valve, the extrusion plate 40 is taken out, and at the same time, a seal is formed between the second seal portion 22 and the mounting hole 13.
In this embodiment, when the broken seal ring 30 needs to be replaced, the connection portion 20 is taken out, and the broken seal ring 30 is taken out as the connection portion 20 and the seal ring 30 are fixedly connected, and then, a new connection portion 20 and the seal ring 30 are mounted on the butterfly valve 10, thereby realizing quick replacement of the seal ring 30.
To facilitate quick replacement of the seal ring 30, the present utility model also provides a second embodiment:
as shown in fig. 6, unlike the first embodiment, two sets of mounting holes 13 are formed on the surface of the butterfly valve 10, and the two sets of mounting holes 13 are located on two sides of the butterfly plate, and each set of mounting holes 13 has two mounting holes 13, so that the surface of the butterfly valve 10 has four mounting holes 13 in total, two mounting holes 13 in each set are symmetrically arranged about the axis of the butterfly valve 10, connecting portions 20 are all arranged in the mounting holes, each connecting portion 20 is provided with a second sealing ring 31, the second sealing rings 31 are in a semicircular structure, two second sealing rings in each set form a circular sealing ring, and the circular sealing rings form a sealing effect on the butterfly valve, and when the circular sealing rings are located in the cavity of the butterfly valve 10, contact ends of the two second sealing rings 31 are in contact with each other, so that the contact ends of the two second sealing rings 31 have a good sealing effect.
Claims (9)
1. The utility model provides a exempt from to dismantle butterfly valve of changing sealing washer which characterized in that includes:
the butterfly valve (10), be provided with sleeve pipe (11) on butterfly valve (10), install the pivot in sleeve pipe (11), the lower extreme of pivot is connected with the butterfly plate;
a connection part (20) detachably provided on the surface of the butterfly valve (10);
and the sealing ring (30) is connected with the connecting part (20), and when the connecting part (20) is connected with the butterfly valve (10), the sealing ring (30) is positioned in the butterfly valve (10) and contacts with the butterfly plate to form a seal.
2. The disassembly-free seal ring replacement butterfly valve according to claim 1, wherein: the surface of butterfly valve (10) is provided with mounting hole (13), and inside and outside intercommunication that mounting hole (13) made butterfly valve (10) are provided with screw hole (12) on the lateral wall of mounting hole (13), are provided with bolt (21) on connecting portion (20), and bolt (21) can be connected with screw hole (12).
3. The disassembly-free seal ring replacement butterfly valve according to claim 2, wherein: the connecting part (20) is in an arc structure, and the connecting part (20) is matched with the mounting hole (13).
4. The disassembly-free seal ring replacement butterfly valve according to claim 1, wherein: the inner wall of the cavity of the butterfly valve (10) is provided with a groove (14) along the circumferential direction, the groove (14) is matched with the sealing ring (30), and when the connecting part (20) is positioned in the mounting hole (13), the sealing ring (30) is positioned in the groove (14).
5. The disassembly-free seal ring replacement butterfly valve according to claim 2, wherein: the width of the sealing ring (30) is larger than that of the mounting hole (13), and the width of the mounting hole (13) is larger than that of the connecting portion (20), so that gaps are formed between two sides of the connecting portion (20) and the side walls of the mounting hole (13).
6. The disassembly-free seal ring replacement butterfly valve according to claim 5, wherein: and the two side walls of the connecting part (20) are respectively provided with a second sealing part (22), and the second sealing parts (22) are made of elastic materials.
7. The disassembly-free seal ring replacement butterfly valve of claim 6, wherein: the side wall of connecting portion (20) is provided with the arc wall, and second sealing portion (22) set up in the arc wall, and second sealing portion (22) outwards extend along the depth direction of arc wall, and can contact and seal mounting hole (13) with the lateral wall of mounting hole (13).
8. The disassembly-free seal ring replacement butterfly valve according to claim 1, wherein: the surface of butterfly valve (10) is provided with two sets of mounting holes (13), and two sets of mounting holes (13) are located the both sides of butterfly plate, and every group all has two mounting holes (13), and two mounting holes (13) in every group are provided with connecting portion (20) about the axis symmetry of butterfly valve (10) in mounting hole (13).
9. The disassembly-free seal ring replacement butterfly valve of claim 8, wherein: each connecting part (20) is provided with a second sealing ring (31), the second sealing rings (31) are in a semicircular structure, and two second sealing rings (31) in each group form a circular sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321441119.3U CN220540330U (en) | 2023-06-07 | 2023-06-07 | Butterfly valve with sealing ring replaced without disassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321441119.3U CN220540330U (en) | 2023-06-07 | 2023-06-07 | Butterfly valve with sealing ring replaced without disassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220540330U true CN220540330U (en) | 2024-02-27 |
Family
ID=89972216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321441119.3U Active CN220540330U (en) | 2023-06-07 | 2023-06-07 | Butterfly valve with sealing ring replaced without disassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220540330U (en) |
-
2023
- 2023-06-07 CN CN202321441119.3U patent/CN220540330U/en active Active
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